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Showing posts from August, 2021

SHELL

  Shell Scripting 💭  What is Shell?  Why shell? 💭 Shell - Shell is a command-line interpreter. It translates commands entered by the users and converts them into a language that is understood by the kernel. (Kernel Heart of a computer) Kernel - The computer programs that allocate the system resources and coordinate all the details of the computer's internals are called Kernel or OS. CLI -    Command-line interface is a text-based interface used to interact with software & OS by typing commands into the interface & receive a response in the same way. (Fastest ways, runs faster) Graphical User Interface Command Line Interface Graphical Representation Console Representation Ease of use(depend upon comfort)😔 Ease of use (depend upon comfort)😊 OS is Slower Faster OS Less control Granular Control Shell Script - A Shell script is a command containing a text file that contains one or more commands. Advantage Facilitates us to develop our own OS with relevant features. Superblo